B OpenNebula/one#6950: Update what's new (resource name)

Author: paczerny

source/intro_release_notes/release_notes/whats_new.rst

@@ -75,3 +75,4 @@ Other Issues Solved
 - `Limit password size for each authentication driver to prevent DoS attacks <https://github.com/OpenNebula/one/issues/6892>`__.
 - `For 'list' and 'top' commadns fix filter flag G exposing resources of other group members <https://github.com/OpenNebula/one/issues/6952>`__.
 - `Fix duplicit Scheduled Actions <https://github.com/OpenNebula/one/issues/6996>`__.
+- `Do not allow special characters '\\t', '\\n', '\\v', '\\f', '\\r' in resource name <https://github.com/OpenNebula/one/issues/6950>`__.